gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp",
    "//llvm/test/Transforms/DeadStoreElimination/assume.ll",
    "//llvm/test/Transforms/DeadStoreElimination/simple.ll",
    "//mlir/include/mlir/Dialect/X86Vector/X86Vector.td",
    "//mlir/lib/Dialect/X86Vector/IR/X86VectorDialect.cpp",
    "//mlir/lib/Dialect/X86Vector/Transforms/LegalizeForLLVMExport.cpp",
    "//mlir/test/Dialect/X86Vector/legalize-for-llvm.mlir",
    "//mlir/test/Dialect/X86Vector/roundtrip.mlir",
    "//mlir/test/Target/LLVMIR/x86vector.mlir"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}